diff --git a/api/__init__.py b/api/__init__.py
index 7eed155..8cb10eb 100644
--- a/api/__init__.py
+++ b/api/__init__.py
@@ -48,7 +48,7 @@ from .s4_tanks import get_tank_schema, add_tank, get_tank, set_tank
 from .batch_api import delete_tank_cascade
 
 from .s5_pipes import PIPE_STATUS_OPEN, PIPE_STATUS_CLOSED, PIPE_STATUS_CV
-from .s5_pipes import get_pipe_schema, add_pipe, get_pipe, set_pipe
+from .s5_pipes import get_pipe_schema, add_pipe, get_pipe, set_pipe, get_all_pipes
 from .batch_api import delete_pipe_cascade
 
 from .s6_pumps import get_pump_schema, add_pump, get_pump, set_pump
diff --git a/api/s5_pipes.py b/api/s5_pipes.py
index 2a1499a..7e726e8 100644
--- a/api/s5_pipes.py
+++ b/api/s5_pipes.py
@@ -33,6 +33,26 @@ def get_pipe(name: str, id: str) -> dict[str, Any]:
     d['status'] = str(p['status'])
     return d
 
+# DingZQ, 2025-03-29
+def get_all_pipes(name: str) -> list[dict[str, Any]]:
+    p = try_read(name, f"select * from pipes")
+    if p == None:
+        return []
+
+    result = []
+    for p in p:
+        d = {}
+        d['id'] = str(p['id'])
+        d['node1'] = str(p['node1'])
+        d['node2'] = str(p['node2'])
+        d['length'] = float(p['length'])
+        d['diameter'] = float(p['diameter'])
+        d['roughness'] = float(p['roughness'])
+        d['minor_loss'] = float(p['minor_loss'])
+        d['status'] = str(p['status'])
+        result.append(d)
+
+    return result
 
 class Pipe(object):
     def __init__(self, input: dict[str, Any]) -> None:
diff --git a/main.py b/main.py
index 468c559..9b185b2 100644
--- a/main.py
+++ b/main.py
@@ -1018,6 +1018,11 @@ async def fastapi_set_pipe_status(network: str, pipe: str, status: str) -> Chang
 async def fastapi_get_pipe_properties(network: str, pipe: str) -> dict[str, Any]:
     return get_pipe(network, pipe)
 
+# DingZQ, 2025-03-29
+@app.get('/getallpipeproperties/')
+async def fastapi_get_all_pipe_properties(network: str) -> list[dict[str, Any]]:
+    return get_all_pipes(network)
+
 @app.post("/setpipeproperties/",response_model=None)
 async def fastapi_set_pipe_properties(network: str, pipe: str, req: Request) -> ChangeSet:
     props = await req.json()
diff --git a/tjnetwork.py b/tjnetwork.py
index 045db3a..370e0cd 100644
--- a/tjnetwork.py
+++ b/tjnetwork.py
@@ -531,6 +531,10 @@ def get_pipe_schema(name: str) -> dict[str, dict[str, Any]]:
 def get_pipe(name: str, id: str) -> dict[str, Any]:
     return api.get_pipe(name, id)
 
+# DingZQ, 2025-03-29
+def get_all_pipes(name: str) -> list[dict[str, Any]]:
+    return api.get_all_pipes(name)
+
 def set_pipe(name: str, cs: ChangeSet) -> ChangeSet:
     return api.set_pipe(name, cs)